DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works

Transaction details

API

Transaction action

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION III Award a ₱18.2M contract to ZF CONSTRUCTIONNational agencies

Transaction hash:

721f150ed6404cbe0dbbb55223fc00d19d7283c41f23fc14be1892fe5bb19e82

Status:

Included and unchanged

Block:

#4,602 1,411 blocks after it

Position in block:

Transaction 133 of 290

Award day:

Oct 18, 2021 (5 yrs ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION III

To:

ZF CONSTRUCTION

Value:

₱18,184,101.77

Project:

21C00087

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION III

Accountable officer:

Not stated in the source. PhilGEPS does not publish who certified the award.

Certification:

Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.

Demo signature:

Block #4,602 signature valid Demo key, proves nothing about the governmentPublic key

Linked records: from budget to payment

Bill Sec. 5

1. Appropriation
GAA line item · Sec. 5(b)
DPWH lists the funding source as "Regular Infra - GAA 2021 CSSP", i.e. the FY2021 GAA. The exact UACS line is not given.
Partly
Open
2. Allotment release
SARO / allotment · Sec. 5(c)(iii)
Not published per project. DBM releases SAROs, but not linked to individual contracts.
Not published
3. Cash allocation
Notice of Cash Allocation · Sec. 5(c)(iv)
Not published per project.
Not published
4. Contract award
Notice of Award (PhilGEPS) · Sec. 5(d)
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION III awarded it to ZF CONSTRUCTION on 2021-10-18.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 21C00087: Completed, 100% physical progress.
Found
Open
6. Payment
Disbursement voucher · Sec. 5(c)(viii)
Not published. No public source shows how much of this contract has been paid.
Not published
7. Completion
Certificate of completion · Sec. 5(d)
DPWH marks the contract "Completed" (end 2022-08-06). The certificate itself is not published.
Partly
8. Audit
COA annual audit report · Sec. 5(e)(iii)
No COA finding linked to this contract.
Not published

2 of 8 documents found, 2 partly. Under CADENA every step would be published within 7 working days and linked to this record.

Tamper test: try changing this record

Demo

Edit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.

Contract amount (₱)

1. Record fingerprint changed
stored 721f150ed6…b19e82now …
2. Block Merkle root changed
stored 90c20069a1…a8ef11now …
3. Block #4602 hash changed
stored f059031ac8…5f95d0now …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (9 steps)

How this one record is tied to the block's Merkle root, without needing the other 289 records. Each step hashes the current value together with the sibling shown.

leaf 721f150ed6404cbe0dbbb55223fc00d19d7283c41f23fc14be1892fe5bb19e82
01 L 71f01cd42007044fb537e0ce1e1ae95f90e2dbf9bc68a066de4ae1000b8c65a8
02 R a3d27ac5a9e0ee0f73f9cff275ae488048f2017aa97843f47a2c468109028e3a
03 L b9b522f8bd3ddc3bc4bb4b5e695166b184e7345acef9fa6f69d9bea0c40f27a6
04 R e7f0d09de293f7bde331a9391f8a80584c9979fd85b3bb685e7979f5a6d7872f
05 R 62fc6a4370a9c6da5ee99fe4e0271c9535fc86dec3b267dd5816bf16a87e3511
06 R 179fb5ebbf97626b6c32dd3c396056b90ac4303cb84a6ef9d23ff3a0340ebabe
07 R d610eff1251ee447c25a9c8399045bef301a2b841d5ef4e9a11d5e7de2f68d89
08 L 2a8ddab75b294b7a3cd3ed6588e1a119bc5ab0872c378e258a90cd4d3a2ef3e5
09 R 10183dfe3886be99bb81d719f447986bca4baae81168ed8550c3b1350a9a53c3
root 90c20069a13ba8a68ce4824fa00502281c0dda43c9448b69a57c1deef5a8ef11